How Much Are Diapers?

Diapers are sold as a pack. The useful number is cost per diaper: pack price divided by count. Size and type decide that number — store brand, name brand, overnight — not the pack sticker alone.

These are example ranges only, not surveyed or sourced 2026 prices. A store-brand mega-box at Costco or Walmart sits toward the bottom of a band; overnight and training pants sit on their own row.

How much are diapers?

Example cost per diaper by size class and type. Always divide pack price by count. Overnight and training pants stay off the daytime rows.

Every dollar in that table is an example, not a sourced 2026 street price. Count, club packs, and optional Amazon Subscribe and Save sit on top of the pack sticker.

Example ranges only, not surveyed or sourced 2026 prices. Always divide pack price by count. Overnight / training pants stay off the daytime rows.

Paired size rows keep the store-brand vs name-brand gap visible. Overnight / training pants are their own row, not a daytime type.

Store brand vs name brand vs overnight

• Store brand / value: Costco Kirkland, Target Up & Up, Walmart Parent's Choice, and Amazon Mama Bear. Everyday daytime and the early-weeks floor.
• Mainstream name brand: Pampers and Huggies-class. Same size class, a higher per-diaper number. Club and mega-box sizes pull that number down.
• Overnight / training pants: nights and potty transition. Higher absorbency, its own row, off the daytime bands.

The class is size plus type. The pack sticker does not tell you which row you are on.

Count, subscriptions, and what moves the sticker

Count drops as the size goes up, so a Size 5 box and a Size 3 box at the same shelf price are not the same cost per diaper. Divide pack price by the count on the package, then compare that number across stores.

Club and mega-box sizes, store-brand vs name-brand, Target Circle, and optional Amazon Subscribe and Save all move the pack sticker. Divide again after the discount. Confirm the size still fits before you commit to a giant box.

Who actually puts a cost per diaper on the shelf

• Costco Kirkland: warehouse mega-box. Often the lowest store-brand cost per diaper. Membership is part of the price.
• Target Up & Up: store-brand daytime. Circle offers and registry promos change the pack sticker; divide after the stack.
• Walmart Parent's Choice: store-brand floor plus name-brand mega boxes. Compare the same size class.
• Amazon: Mama Bear and optional Subscribe and Save. The box price swings; divide by count after the subscription discount.
• Pampers, Huggies: named brands on the mainstream rows. Compare the size class and the type, not the family name alone.

Frequently asked questions

How much are diapers?

Example only: Newborn / Size 1 store brand often $0.12–$0.20; Newborn / Size 1 name brand $0.18–$0.28; Size 2–3 store brand $0.12–$0.22; Size 2–3 name brand $0.18–$0.30; Size 4–5 store brand or club mega-box $0.14–$0.24; Size 4–5 name brand $0.20–$0.32; Size 6+ $0.22–$0.40; overnight / training pants $0.30–$0.60+. Example ranges only, not surveyed or sourced 2026 prices. Divide pack price by count.

Why isn't a pack one number?

Count drops as size goes up, and store brand, name brand, and overnight are different products. Two boxes at the same sticker are rarely the same cost per diaper.

What's the difference between store brand, name brand, and overnight?

Store brand / value is Costco Kirkland, Target Up and Up, Walmart Parent's Choice, and Amazon Mama Bear for everyday daytime. Mainstream name brand is Pampers and Huggies-class. Overnight and training pants are nights and potty transition — they stay off the daytime rows.

Should I compare the pack price or the count?

Neither alone. Divide pack price by the count on the box. That is the number that travels across Costco, Target, Walmart, and Amazon.

What moves the sticker?

Count, club or mega-box size, store-brand vs name-brand, and optional Amazon Subscribe and Save or Target Circle stacks. Divide again after the discount. Confirm the size still fits before a giant box.

Are subscriptions cheaper?

Sometimes. Amazon Subscribe and Save and house-brand boxes can undercut a grocery sleeve. Compare the resulting cost per diaper against Costco Kirkland, Target Up and Up, and Walmart Parent's Choice the same week.

Does Costco or Target beat Walmart on cost per diaper?

On a store-brand mega-box, often. On a name-brand sleeve, not always. Compare the same size class and type — store brand, name brand, or overnight — after you divide pack price by count.

No UK or AU twin on this URL

This page is US only — dollars, Costco Kirkland, Target Up & Up, Walmart Parent's Choice, and Amazon Mama Bear. There is no UK or Australian version of this URL.